01 -
Combine soy sauce, 60 ml water, red wine vinegar, brown sugar, granulated sugar, minced garlic, and ground ginger in a saucepan. Whisk over medium heat until sugars are dissolved.
02 -
In a small bowl, mix cornstarch with 30 ml warm water until fully dissolved. Gradually whisk the slurry into the simmering sauce and cook until thickened. Remove from heat.
03 -
Heat vegetable oil in a large skillet over medium-high heat. Add diced onions and sauté until softened.
04 -
Add ground turkey and minced garlic to the skillet. Cook, breaking up the meat, until the turkey is partially cooked. Add grated carrots and chopped broccoli halfway through; continue to cook until turkey is fully cooked and vegetables are tender.
05 -
Pour the prepared teriyaki sauce over the turkey and vegetable mixture. Stir thoroughly and simmer for 5 minutes to blend flavors.
06 -
Spoon generous portions of the turkey filling into each lettuce leaf. Serve immediately while warm.